An officer is shot point-blank in the Grant County police station and police chief Jeffrey Tolliver is wounded, setting off a terrifying hostage situation with medical examiner Sara Linton at the center. Working outside the station, Lena Adams, newly reinstated to the force, and Frank Wallace, Jeffrey's second in command, must try to piece together who the shooter is and how to rescue their friends before Jeffrey dies. For the sins of the past have caught up with Sara and Jeffrey -- with a vengeance ...